NEET Chemistry Biomolecules Class 12 Questions

Which of the following acids is a vitamin?

The secondary structure of protein is stabilised by

Among the following, the essential amino acid is

Which of the following polymer is stored in the liver of animals?

Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives .........

Most common types of secondary structures of proteins are

Amino acids generally exist in the form of Zwitter ions. This means they contain

Proteins are found to have two different types of secondary structures viz. α-helix and β-pleated sheet structure. α-helix structure of protein is stabilised by

Starch is composed of two polysaccharides which are

Which of the following is not true about amino acids?

Which of the following statements is not true about glucose?

Select the incorrect match.

The three structural formulae A, B and C are given here identify them and select the correct option.

A nitrogenous base is linked to the pentose sugar through:

Arachidonic acid has

Match Column I with Column II and select the correct option w.r.t. levels of protein structures.

Structural polysaccharide among following is

Match the following columns and select the correct option.

Match the enzymes with their substrate or inhibitor:

How many given character is true for lipid?

(i) Lipids are generally water insoluble.

(ii) They could be simple fatty acids.

(iii) Another simple lipid is glycerol which is trihydroxy propane.

(iv) Many lipids have both glycerol and fatty acids.

(v) These are also called fats and oils based on melting point.

(vi) Fates have lower melting point and hence remain as oil in winters.

Match the following:

Read the following statements on lipids and find out correct set of statements: (A) Lecithin found in the plasma membrane is a glycolipid (B) Saturated fatty acids possess one or more C = C bonds (C) Gingelly oil has lower melting point, hence remains as oil in winter (D) Lipids are generally insoluble in water but soluble in some organic solvent (E) When fatty acid is esterified with glycerol, monoglycerides are formed Choose the correct answer from the options given below:

Glycosidic bond is present in between

Proinsulin differs from mature insulin in

Choose the incorrect statement regarding proteins.

The correct order of chemical composition of living tissues/cells in terms of percentage of the total cellular mass is;

Which is an Example of Aromatic Amino acids

Which one of the following biomolecules is correctly characterised?

What is the molecular formula of glucose?

What type of sugar is found in RNA?

What is the term used for the linkage between two monosaccharides in disaccharides?

What are the two main types of nucleic acids found in chromosomes?

Which type of protein structure is characterized by the coiling of polypeptide chains into a spherical shape?

What is the primary structure of proteins defined by?

What is the primary component of cellulose?

What is the predominant constituent of the cell wall of plant cells?

Which of the following vitamins is classified as fat-soluble?

Which of the following vitamins is classified as fat-soluble?

What is the term for the linkage formed between two monosaccharides in disaccharides?

Which of the following statements is true about glucose?

Which base is found in RNA but not in DNA?

Which of the following pentoses is found in nucleic acids?

Which of the following proteins is an example of a globular protein?

Which type of carbohydrate is composed exclusively of b-D-glucose units linked by glycosidic bonds?

What is the primary structure of a protein defined by?

What type of carbohydrate yields two to ten monosaccharide units upon hydrolysis?

What is the main storage polysaccharide of plants?

Which vitamin is classified as fat-soluble?

What type of structure does glucose adopt in its cyclic form?

Which sugar is present in DNA?